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All Journal MUST: Journal of Mathematics Education, Science and Technology BAREKENG: Jurnal Ilmu Matematika dan Terapan Specta Journal of Technology SmartComp
Irma Fitria
Institut Teknologi Kalimantan
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Mechanical Engineering Physics Transportation

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Journal : Specta Journal of Technology

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Prediksi Emisi CO2 dengan Analisis Runtun Waktu Primadina Hasanah; Irma Fitria
SPECTA Journal of Technology Vol. 1 No. 1 (2017): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (864.217 KB) | DOI: 10.35718/specta.v1i1.72

Abstract

Global warming is caused by various factors, one of them is the emission of CO2. Time series data of CO2 emission will be analyzed using moving average and exponential smoothing to forecast the CO2 emission of the period ahead. Both models provide estimates of forecasting based on the average value of the previous data and can be used for forecasting time series data containing trend component. The best models are selected based on the smallest error value based on the criteria of MAPE, MSD, and MAD
Penerapan Algoritma Kalman Filter dalam Prediksi Kecepatan Angin di Kota Balikpapan Irma Fitria; Primadina Hasanah
SPECTA Journal of Technology Vol. 1 No. 2 (2017): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1078.786 KB) | DOI: 10.35718/specta.v1i2.78

Abstract

One of the climate’s elements that has an influence on daily activities is the wind speed. Wind is a movement of air that flows from high pressure to low pressure region. In the shipping and aviation, wind speed is a very important thing to predict. This is due to the wind speed is very influential on the process of the transportation activities. A strong wind can disturb the fluency of transportation. Therefore, information regarding the wind speed prediction is very important to know. In this paper, Kalman Filter algorithm is applied in the wind speed prediction by taking the case in Balikpapan. In this case, the Kalman Filter algorithm is applied to improve the result of ARIMA prediction based on error correction, so we get the prediction result, called ARIMA-Kalman Filter. Based on the simulation result in this study, it can be shown that the prediction result of ARIMA-Kalman Filter is better than ARIMA’s. This is known from the level of accuracy from ARIMA-Kalman Filter, which increased about 65% from ARIMA result.
OPTIMASI JUMLAH BARANG MENGGUNAKAN METODE PINALTI DAN METODE HUNGARIAN (STUDI KASUS: RUANG KERJA DINAS PEKERJAAN UMUM KOTA BALIKPAPAN) Siti Puspasari; Irma Fitria
SPECTA Journal of Technology Vol. 6 No. 1 (2022): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1263.846 KB) | DOI: 10.35718/specta.v6i1.693

Abstract

Masalah penugasan berkaitan dengan pengalokasian suatu sumber ke suatu tujuan untuk mengoptimalkan pengeluaran maupun pendapatan. Permasalahan penugasan sering dijumpai hampir di semua bidang, salah satunya terdapat pada Dinas Pekerjaan Umum Kota Balikpapan. Dalam menjalankan tugasnya, Dinas Pekerjaan Umum membutuhkan barang-barang penunjang yang jumlahnya harus disesuaikan dengan tipe ruangan. Oleh karena itu diperlukan penyelesaian dengan masalah penugasan agar didapatkan pendistribusian barang yang optimal. Metode Pinalti dan Metode Hungarian merupakan dua metode berbeda untuk menyelesaikan masalah penugasan. Metode Pinalti diawali dengan mencari nilai pinalti pada setiap kolom atau baris sedangkan Metode Hungarian diawali dengan megurangi nilai pada baris dan kolom dengan biaya terkecil. Berdasarkan hasil penelitian ini diketahui bahwa jumlah pendistribusian barang dengan menggunakan kedua metode tersebut memperoleh hasil yang sama yaitu 62 barang. Metode Pinalti optimal pada iterasi ketiga sedangkan Metode Hungarian optimal pada iterasi kelima. Dari kedua metode tersebut dapat disimpulkan bahwa metode Pinalti merupakan metode yang lebih efektif untuk mengoptimalkan jumlah barang di ruang kerja Dinas Pekerjaan Umum Kota Balikpapan.
Co-Authors Ahmad Rifa'i Aidil Saputra Kirsan Haniefa Atzzahra Nashrul Millah Primadina Hasanah Safhira Sekar Euchalypta Siti Puspasari